<template>
	<view class="cart-container" v-if="cart.length !== 0">
    <!-- 收获地址组件 -->
    <my-address></my-address>
	<!-- 购物车商品列表的标题区域 -->
	<view class="cart-title">
	  <!-- 左侧的图标 -->
	  <uni-icons type="shop" size="18"></uni-icons>
	  <!-- 描述文本 -->
	  <text class="cart-title-text">购物车</text>
	</view>
  

<uni-swipe-action>
   <block v-for="(goods,i) in cart" :key="i">
  <uni-swipe-action-item :options="options" @click="swipeActionClickHandler(goods)">
        <my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
  </uni-swipe-action-item>
  </block>
</uni-swipe-action>

    <!-- 结算区域 -->
    <my-settle></my-settle>
	</view>
  
   <!-- 空白购物车区域 -->
    <view class="empty-cart" v-else>
      <image src="/static/cart_empty@2x.png" class="empty-img"></image>
      <text class="tip-text">空空如也~</text>
    </view>
</template>

<script>
  // import {mapGetters} from 'vuex'
// 导入自己封装的 mixin 模块
import badgeMix from '@/mixins/tabbar-badge.js'
import {mapState,mapMutations} from 'vuex'
	export default {
   mixins: [badgeMix],
   computed:{
     ...mapState('m_cart',['cart'])
   },
    // computed:{
    //   ...mapGetters('m_cart',['total'])
    // },
    // onShow(){
    //   this.setBadge()
    // },
    computed:{
      ...mapState('m_cart', ['cart']),
    },
		data() {
			return {
			 options: [{
			      text: '删除', // 显示的文本内容
			      style: {
			        backgroundColor: '#C00000' // 按钮的背景颜色
			      }
			    }]
			};
		},
    methods:{
      ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
    //   setBadge(){
    //     uni.setTabBarBadge({
    //       index:2,
    //       text:this.total + ''
    //     })
    //   }
      // 商品的勾选状态发生了变化
      radioChangeHandler(e) {
        // console.log(e) // 输出得到的数据 -> {goods_id: 395, goods_state: false}
     this.updateGoodsState(e)
      },
      // 商品的数量发生了变化
      numberChangeHandler(e) {
        // console.log(e)
        this.updateGoodsCount(e)
      },
      // 点击了滑动操作按钮
      swipeActionClickHandler(goods) {
        // console.log(goods)
        this.removeGoodsById(goods.goods_id)
      }
    }
	}
</script>

<style lang="scss">
  .cart-container {
    padding-bottom: 50px;
  }
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    font-size: 14px;
    margin-left: 10px;
  }
}


.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;

  .empty-img {
    width: 90px;
    height: 90px;
  }

  .tip-text {
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
